MESON Chess Problem Database

Problem Display
PID: 23863 (8/4p1B1/2pqRn2/Q1nkN3/r1rN1P1K/1B3P2/4P3/3R4 w - - 0 1)

Saunders, Denis M

WCSC (Pula), 1997

8/4p1B1/2pqRn2/Q1nkN3/r1rN1P1K/1B3P2/4P3/3R4

#2

11 + 8

3936 The Wizard of Oz 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Sc2#
      • 2.Sf5#
      • 2.Sdxc6#
    • 1...Ra1
      • 2.Bxc4#
    • 1...Ra2
      • 2.Bxc4#
    • 1...Ra3
      • 2.Bxc4#
    • 1...Rxa5
      • 2.Bxc4#
    • 1...Sg4
      • 2.e4#
    • 1...Sh5
      • 2.e4#
    • 1...Sd7
      • 2.e4#
    • 1...Sh7
      • 2.e4#
    • 1...Se8
      • 2.e4#
    • 1...Sg8
      • 2.e4#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.e4#
      • 1...Qxe6
        • 2.Sc2#
        • 2.Sf5#
        • 2.Sdxc6#
      • 1...Rxa5
        • 2.Bxc4#
      • 1...Qxe5!
  • Keys
    • 1.Sd3!
      • 1...Qxf4+
        • 2.Sxf4#
      • 1...Kxd4
        • 2.Sxc5#
      • 1...Qxe6
        • 2.Qxc5#
      • 1...Rxa5
        • 2.Sb4#
      • 1...Qe5
        • 2.Qxc5#
      • 1...Qc7
        • 2.Qxc5#
      • 1...Qb8
        • 2.Qxc5#
      • 1...Qd7
        • 2.Qxc5#
      • 1...Qd8
        • 2.Qxc5#
      • 1...Ra1
        • 2.Sb4#
      • 1...Ra2
        • 2.Sb4#
      • 1...Ra3
        • 2.Sb4#
      • 1...Rb4
        • 2.Sxb4#
      • 1...Se4
        • 2.fxe4#
      • 1...Sg4
        • 2.e4#
      • 1...Sh5
        • 2.e4#
      • 1...Sd7
        • 2.e4#
      • 1...Sh7
        • 2.e4#
      • 1...Se8
        • 2.e4#
      • 1...Sg8
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::B(C),XR(b)
    • R(a);N_GUARD,N_SPINS(c),XQ(H)::B(C),XR(b)
    • S(g);N_GUARD::P(B)
  • Tries
    • Try
      • B(K);XS(g)
      • Threat
        • P(B)
      • Vars
        • R(a);N_GUARD,N_SPINS(c),XQ(H)::B(C),XR(b)
      • Refutation
        • Q(f);XS(I)
  • Actual
    • S(I);
    • Vars
      • Q(f);CHECK,XP(F)::S(I),XQ(f)
      • K(d);N_SPINR(b),N_SPINS(c),P-FLIGHT,P_SPINS(g),XS(E)::R(A)+S(I),XS(c)
      • Q(f);N_GUARD,XR(J)::QAR1(H),XS(c)
      • R(a);N_GUARD,N_SPINS(c),XQ(H)::S(I)
      • Q(f);N_GUARD::QAR1(H),XS(c)
      • R(a);N_GUARD::S(I)
      • R(a);N_GUARD::S(I),XR(a)
      • S(g);OGATE::P(D),XS(g)
      • S(g);N_GUARD::P(B)
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